--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-content/themes/bgw/includes/timthumb.php Fri Mar 12 13:29:04 2010 +0000
@@ -0,0 +1,605 @@
+<?php
+/*
+ TimThumb script created by Tim McDaniels and Darren Hoyt with tweaks by Ben Gillbanks
+ http://code.google.com/p/timthumb/
+
+ MIT License: http://www.opensource.org/licenses/mit-license.php
+
+ Paramters
+ ---------
+ w: width
+ h: height
+ zc: zoom crop (0 or 1)
+ q: quality (default is 75 and max is 100)
+
+ HTML example: <img src="/scripts/timthumb.php?src=/images/whatever.jpg&w=150&h=200&zc=1" alt="" />
+*/
+
+/*
+$sizeLimits = array(
+ "100x100",
+ "150x150",
+);
+*/
+
+define("CACHE_SIZE", 200); // number of files to store before clearing cache
+define("CACHE_CLEAR", 5); // maximum number of files to delete on each cache clear
+define("VERSION", "1.08"); // version number (to force a cache refresh
+
+$imageFilters = array(
+ "1" => array(IMG_FILTER_NEGATE, 0),
+ "2" => array(IMG_FILTER_GRAYSCALE, 0),
+ "3" => array(IMG_FILTER_BRIGHTNESS, 1),
+ "4" => array(IMG_FILTER_CONTRAST, 1),
+ "5" => array(IMG_FILTER_COLORIZE, 4),
+ "6" => array(IMG_FILTER_EDGEDETECT, 0),
+ "7" => array(IMG_FILTER_EMBOSS, 0),
+ "8" => array(IMG_FILTER_GAUSSIAN_BLUR, 0),
+ "9" => array(IMG_FILTER_SELECTIVE_BLUR, 0),
+ "10" => array(IMG_FILTER_MEAN_REMOVAL, 0),
+ "11" => array(IMG_FILTER_SMOOTH, 0),
+);
+
+// sort out image source
+$src = get_request("src", "");
+if($src == "" || strlen($src) <= 3) {
+ displayError("no image specified");
+}
+
+// clean params before use
+$src = cleanSource($src);
+// last modified time (for caching)
+$lastModified = filemtime($src);
+
+// get properties
+$new_width = preg_replace("/[^0-9]+/", "", get_request("w", 0));
+$new_height = preg_replace("/[^0-9]+/", "", get_request("h", 0));
+$zoom_crop = preg_replace("/[^0-9]+/", "", get_request("zc", 1));
+$quality = preg_replace("/[^0-9]+/", "", get_request("q", 80));
+$filters = get_request("f", "");
+
+if ($new_width == 0 && $new_height == 0) {
+ $new_width = 100;
+ $new_height = 100;
+}
+
+// set path to cache directory (default is ./cache)
+// this can be changed to a different location
+$cache_dir = './cache';
+
+// get mime type of src
+$mime_type = mime_type($src);
+
+// check to see if this image is in the cache already
+check_cache( $cache_dir, $mime_type );
+
+// if not in cache then clear some space and generate a new file
+cleanCache();
+
+ini_set('memory_limit', "30M");
+
+// make sure that the src is gif/jpg/png
+if(!valid_src_mime_type($mime_type)) {
+ displayError("Invalid src mime type: " .$mime_type);
+}
+
+// check to see if GD function exist
+if(!function_exists('imagecreatetruecolor')) {
+ displayError("GD Library Error: imagecreatetruecolor does not exist");
+}
+
+if(strlen($src) && file_exists($src)) {
+
+ // open the existing image
+ $image = open_image($mime_type, $src);
+ if($image === false) {
+ displayError('Unable to open image : ' . $src);
+ }
+
+ // Get original width and height
+ $width = imagesx($image);
+ $height = imagesy($image);
+
+ // don't allow new width or height to be greater than the original
+ if( $new_width > $width ) {
+ $new_width = $width;
+ }
+ if( $new_height > $height ) {
+ $new_height = $height;
+ }
+
+ // generate new w/h if not provided
+ if( $new_width && !$new_height ) {
+
+ $new_height = $height * ( $new_width / $width );
+
+ } elseif($new_height && !$new_width) {
+
+ $new_width = $width * ( $new_height / $height );
+
+ } elseif(!$new_width && !$new_height) {
+
+ $new_width = $width;
+ $new_height = $height;
+
+ }
+
+ // create a new true color image
+ $canvas = imagecreatetruecolor( $new_width, $new_height );
+ imagealphablending($canvas, false);
+ // Create a new transparent color for image
+ $color = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
+ // Completely fill the background of the new image with allocated color.
+ imagefill($canvas, 0, 0, $color);
+ // Restore transparency blending
+ imagesavealpha($canvas, true);
+
+ if( $zoom_crop ) {
+
+ $src_x = $src_y = 0;
+ $src_w = $width;
+ $src_h = $height;
+
+ $cmp_x = $width / $new_width;
+ $cmp_y = $height / $new_height;
+
+ // calculate x or y coordinate and width or height of source
+
+ if ( $cmp_x > $cmp_y ) {
+
+ $src_w = round( ( $width / $cmp_x * $cmp_y ) );
+ $src_x = round( ( $width - ( $width / $cmp_x * $cmp_y ) ) / 2 );
+
+ } elseif ( $cmp_y > $cmp_x ) {
+
+ $src_h = round( ( $height / $cmp_y * $cmp_x ) );
+ $src_y = round( ( $height - ( $height / $cmp_y * $cmp_x ) ) / 2 );
+
+ }
+
+ imagecopyresampled( $canvas, $image, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_w, $src_h );
+
+ } else {
+
+ // copy and resize part of an image with resampling
+ imagecopyresampled( $canvas, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height );
+
+ }
+
+ if ($filters != "") {
+ // apply filters to image
+ $filterList = explode("|", $filters);
+ foreach($filterList as $fl) {
+ $filterSettings = explode(",", $fl);
+ if(isset($imageFilters[$filterSettings[0]])) {
+
+ for($i = 0; $i < 4; $i ++) {
+ if(!isset($filterSettings[$i])) {
+ $filterSettings[$i] = null;
+ }
+ }
+
+ switch($imageFilters[$filterSettings[0]][1]) {
+
+ case 1:
+
+ imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1]);
+ break;
+
+ case 2:
+
+ imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1], $filterSettings[2]);
+ break;
+
+ case 3:
+
+ imagefilter($canvas, $imageFilters[$filterSettings[0]][0], $filterSettings[1], $filterSettings[2], $filterSettings[3]);
+ break;
+
+ default:
+
+ imagefilter($canvas, $imageFilters[$filterSettings[0]][0]);
+ break;
+
+ }
+ }
+ }
+ }
+
+ // output image to browser based on mime type
+ show_image($mime_type, $canvas, $cache_dir);
+
+ // remove image from memory
+ imagedestroy($canvas);
+
+} else {
+
+ if(strlen($src)) {
+ displayError("image " . $src . " not found");
+ } else {
+ displayError("no source specified");
+ }
+
+}
+
+/**
+ *
+ */
+function show_image($mime_type, $image_resized, $cache_dir) {
+
+ global $quality;
+
+ // check to see if we can write to the cache directory
+ $is_writable = 0;
+ $cache_file_name = $cache_dir . '/' . get_cache_file();
+
+ if(touch($cache_file_name)) {
+
+ // give 666 permissions so that the developer
+ // can overwrite web server user
+ chmod($cache_file_name, 0666);
+ $is_writable = 1;
+
+ } else {
+
+ $cache_file_name = NULL;
+ header('Content-type: ' . $mime_type);
+
+ }
+
+ $quality = floor($quality * 0.09);
+
+ imagepng($image_resized, $cache_file_name, $quality);
+
+ if($is_writable) {
+ show_cache_file($cache_dir, $mime_type);
+ }
+
+ imagedestroy($image_resized);
+
+ displayError("error showing image");
+
+}
+
+/**
+ *
+ */
+function get_request( $property, $default = 0 ) {
+
+ if( isset($_REQUEST[$property]) ) {
+
+ return $_REQUEST[$property];
+
+ } else {
+
+ return $default;
+
+ }
+
+}
+
+/**
+ *
+ */
+function open_image($mime_type, $src) {
+
+ if(stristr($mime_type, 'gif')) {
+
+ $image = imagecreatefromgif($src);
+
+ } elseif(stristr($mime_type, 'jpeg')) {
+
+ @ini_set('gd.jpeg_ignore_warning', 1);
+ $image = imagecreatefromjpeg($src);
+
+ } elseif( stristr($mime_type, 'png')) {
+
+ $image = imagecreatefrompng($src);
+
+ }
+
+ return $image;
+
+}
+
+/**
+ * clean out old files from the cache
+ * you can change the number of files to store and to delete per loop in the defines at the top of the code
+ */
+function cleanCache() {
+
+ $files = glob("cache/*", GLOB_BRACE);
+
+ $yesterday = time() - (24 * 60 * 60);
+
+ if (count($files) > 0) {
+
+ usort($files, "filemtime_compare");
+ $i = 0;
+
+ if (count($files) > CACHE_SIZE) {
+
+ foreach ($files as $file) {
+
+ $i ++;
+
+ if ($i >= CACHE_CLEAR) {
+ return;
+ }
+
+ if (filemtime($file) > $yesterday) {
+ return;
+ }
+
+ unlink($file);
+
+ }
+
+ }
+
+ }
+
+}
+
+/**
+ * compare the file time of two files
+ */
+function filemtime_compare($a, $b) {
+
+ return filemtime($a) - filemtime($b);
+
+}
+
+/**
+ * determine the file mime type
+ */
+function mime_type($file) {
+
+ if (stristr(PHP_OS, 'WIN')) {
+ $os = 'WIN';
+ } else {
+ $os = PHP_OS;
+ }
+
+ $mime_type = '';
+
+ if (function_exists('mime_content_type')) {
+ $mime_type = mime_content_type($file);
+ }
+
+ // use PECL fileinfo to determine mime type
+ if (!valid_src_mime_type($mime_type)) {
+ if (function_exists('finfo_open')) {
+ $finfo = finfo_open(FILEINFO_MIME);
+ $mime_type = finfo_file($finfo, $file);
+ finfo_close($finfo);
+ }
+ }
+
+ // try to determine mime type by using unix file command
+ // this should not be executed on windows
+ if (!valid_src_mime_type($mime_type) && $os != "WIN") {
+ if (preg_match("/FREEBSD|LINUX/", $os)) {
+ $mime_type = trim(@shell_exec('file -bi "' . $file . '"'));
+ }
+ }
+
+ // use file's extension to determine mime type
+ if (!valid_src_mime_type($mime_type)) {
+
+ // set defaults
+ $mime_type = 'image/png';
+ // file details
+ $fileDetails = pathinfo($file);
+ $ext = strtolower($fileDetails["extension"]);
+ // mime types
+ $types = array(
+ 'jpg' => 'image/jpeg',
+ 'jpeg' => 'image/jpeg',
+ 'png' => 'image/png',
+ 'gif' => 'image/gif'
+ );
+
+ if (strlen($ext) && strlen($types[$ext])) {
+ $mime_type = $types[$ext];
+ }
+
+ }
+
+ return $mime_type;
+
+}
+
+/**
+ *
+ */
+function valid_src_mime_type($mime_type) {
+
+ if (preg_match("/jpg|jpeg|gif|png/i", $mime_type)) {
+ return true;
+ }
+
+ return false;
+
+}
+
+/**
+ *
+ */
+function check_cache($cache_dir, $mime_type) {
+
+ // make sure cache dir exists
+ if (!file_exists($cache_dir)) {
+ // give 777 permissions so that developer can overwrite
+ // files created by web server user
+ mkdir($cache_dir);
+ chmod($cache_dir, 0777);
+ }
+
+ show_cache_file($cache_dir, $mime_type);
+
+}
+
+/**
+ *
+ */
+function show_cache_file($cache_dir) {
+
+ $cache_file = $cache_dir . '/' . get_cache_file();
+
+ if (file_exists($cache_file)) {
+
+ $gmdate_mod = gmdate("D, d M Y H:i:s", filemtime($cache_file));
+
+ if(! strstr($gmdate_mod, "GMT")) {
+ $gmdate_mod .= " GMT";
+ }
+
+ if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
+
+ // check for updates
+ $if_modified_since = preg_replace("/;.*$/", "", $_SERVER["HTTP_IF_MODIFIED_SINCE"]);
+
+ if ($if_modified_since == $gmdate_mod) {
+ header("HTTP/1.1 304 Not Modified");
+ exit;
+ }
+
+ }
+
+ $fileSize = filesize($cache_file);
+
+ // send headers then display image
+ header("Content-Type: image/png");
+ header("Accept-Ranges: bytes");
+ header("Last-Modified: " . $gmdate_mod);
+ header("Content-Length: " . $fileSize);
+ header("Cache-Control: max-age=9999, must-revalidate");
+ header("Expires: " . $gmdate_mod);
+
+ readfile($cache_file);
+
+ exit;
+
+ }
+
+}
+
+/**
+ *
+ */
+function get_cache_file() {
+
+ global $lastModified;
+ static $cache_file;
+
+ if(!$cache_file) {
+ $cachename = $_SERVER['QUERY_STRING'] . VERSION . $lastModified;
+ $cache_file = md5($cachename) . '.png';
+ }
+
+ return $cache_file;
+
+}
+
+/**
+ * check to if the url is valid or not
+ */
+function valid_extension ($ext) {
+
+ if (preg_match("/jpg|jpeg|png|gif/i", $ext)) {
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+
+}
+
+/**
+ * tidy up the image source url
+ */
+function cleanSource($src) {
+
+ // remove slash from start of string
+ if(strpos($src, "/") == 0) {
+ $src = substr($src, -(strlen($src) - 1));
+ }
+
+ // remove http/ https/ ftp
+ $src = preg_replace("/^((ht|f)tp(s|):\/\/)/i", "", $src);
+ // remove domain name from the source url
+ $host = $_SERVER["HTTP_HOST"];
+ $src = str_replace($host, "", $src);
+ $host = str_replace("www.", "", $host);
+ $src = str_replace($host, "", $src);
+
+ // don't allow users the ability to use '../'
+ // in order to gain access to files below document root
+
+ // src should be specified relative to document root like:
+ // src=images/img.jpg or src=/images/img.jpg
+ // not like:
+ // src=../images/img.jpg
+ $src = preg_replace("/\.\.+\//", "", $src);
+
+ //print_r($_SERVER);
+
+ // get path to image on file system
+ $src = get_document_root($src) . '/' . $src;
+
+ return $src;
+
+}
+
+/**
+ *
+ */
+function get_document_root ($src) {
+
+ // check for unix servers
+ if(@file_exists($_SERVER['DOCUMENT_ROOT'] . '/' . $src)) {
+ return $_SERVER['DOCUMENT_ROOT'];
+ }
+
+ // the relative paths below are useful if timthumb is moved outside of document root
+ // specifically if installed in wordpress themes like mimbo pro:
+ // /wp-content/themes/mimbopro/scripts/timthumb.php
+ $paths = array(
+ ".",
+ "..",
+ "../..",
+ "../../..",
+ "../../../..",
+ "../../../../.."
+ );
+
+ foreach($paths as $path) {
+ if(@file_exists($path . '/' . $src)) {
+ return $path;
+ }
+ }
+
+ // special check for microsoft servers
+ if(!isset($_SERVER['DOCUMENT_ROOT'])) {
+ $path = str_replace("/", "\\", $_SERVER['ORIG_PATH_INFO']);
+ $path = str_replace($path, "", $_SERVER['SCRIPT_FILENAME']);
+
+ if( @file_exists( $path . '/' . $src ) ) {
+ return $path;
+ }
+ }
+
+ displayError('file not found ' . $src);
+
+}
+
+/**
+ * generic error message
+ */
+function displayError($errorString = '') {
+
+ header('HTTP/1.1 400 Bad Request');
+ die($errorString);
+
+}
+?>
\ No newline at end of file